The BMW M140 and M240 are already high-performance vehicles straight from the factory. Still, for enthusiasts seeking to elevate their driving experience to new heights, modifications can be the key to unlocking hidden potential. Whether it’s enhancing power, improving handling, or adding a touch of personalisation, the world of M140 and M240 modifications is vast and exciting. 

This comprehensive guide will explore some of the best modifications available for these remarkable machines. So, take a moment and read the following details! 

An Overview

BMW incorporated its acclaimed B58 engine into the M140 and M240 versions, marking it as one of the most impressive engines in contemporary automotive history. This powerhouse is not only featured in higher-tier models such as the 3, 4, and 5 series but has also made its way into BMW SUVs like the X5/X6, thanks to its remarkable stock performance. 

What adds to the excitement is the engine’s potential for significantly more power; there have been instances of the B58 reaching up to 650 wheel horsepower without any modifications to its internal components.

B58 JB4

The B58 engine, known for its resilience, can handle much more power than the factory-equipped 340. Adding a JB4 can boost its output by up to 80 BHP, bringing it to an impressive 420. This enhancement significantly elevates the excitement of your Mlite.

Downpipe

If you’re considering exhaust modifications, a downpipe is an excellent initial upgrade to alleviate restrictions. Watch numerous YouTube videos showcasing an M140 with a downpipe mod to appreciate the notable difference—allow time for thorough research. If a complete system replacement isn’t on your agenda, a downpipe is essential.

Exhaust

The M140 Exhaust is exceptional. The original M135 and pre-PPF M140 had an incredible sound, but the introduction of the PPF dampened its epic tone. Installing an aftermarket exhaust will bring back that thrilling startup sound and exhilarating gear shifts. When making a purchase, ensure it’s the correct one for your vehicle, considering variations in routing and pre/post filter configurations.

Induction Modifications

Among the initial upgrades M140/M240 owners opt for is installing an aftermarket intake. This modification provides a slight power boost, improved throttle response, and an impressive intake sound, and readies your car for stage 2 and beyond. The beauty of induction mods, whether it’s a new panel filter or a complete aftermarket system, is that individuals comfortable with tools can easily carry out the installation on their driveway.

Suspension Upgrades

The primary drawback of the M140 lies in its handling and suspension. Enhancing these aspects alone can transform your vehicle significantly. Beginning with modest changes like lowering springs, which also enhance the stance, you can progress to a comprehensive suspension kit for a complete overhaul.

Cooling

B58 enthusiasts appreciate its stock performance and tuning capabilities, with many reaching stage 2 and beyond. To support such enhancements, proper modifications are crucial, and cooling plays a significant role in this aspect.

Throttle Response Modification

Forced induction vehicles, including many modern cars, often face challenges with throttle response due to delayed boost onset. Installing a throttle response module, particularly in conjunction with the IOTuning module, which also serves as an immobiliser, can address this issue.

M135/M140 Bodykit

The M135 / M140 holds the allure of a superb sleeper car, easily mistaken for a 118d in your neighbourhood’s car park. A keen observer needs to spot the canards and dual-exit exhaust so that it remains inconspicuous. Elevate its visual appeal with some aesthetic modifications.

M235/M240 Appearance

In comparison to the one series, the M235 / M240 boasts a far more captivating design, exuding a heightened aggressiveness. However, to the untrained eye, it may still appear commonplace, potentially confused with the entry-level diesel two series, until its distinctive engine roar breaks the silence.

The Bottom Line!

In the world of BMW M140 and M240 modifications, the possibilities are vast, allowing enthusiasts to tailor their vehicles to meet specific preferences and performance goals. Whether it’s unlocking additional horsepower, improving handling dynamics, or enhancing the overall.

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